Home / 52,400.10-72,312.31-28,526.92

Finding the Fourth Proportional to 52,400.10, 72,312.31 and 28,526.92

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Solution

The fourth proportional to 52,400.10, 72,312.31 and 28,526.92 is: 39,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,400.10 : 72,312.31 = 28,526.92 : x
  2. Step 2: Convert to fraction form
    52,400.10/72,312.31 = 28,526.92/x
  3. Step 3: Cross multiply
    52,400.10x = 72,312.31 × 28,526.92
  4. Step 4: Simplify right side
    52,400.10x = 2,062,847,482.39
  5. Step 5: Solve for x
    x = 2,062,847,482.39/52,400.10
  6. Step 6: Final answer
    x = 39,367.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.